[ncmncm]

"PSA: Before drilling into a supervolcano magma chamber, please arrange to accept and dispose of at least 1000 cubic miles of superheated lava to be emitted at a flow rate of up to 1 cubic mile per hour. Thank you for your attention to this detail."

[ineedasername]

Yep- a rapid pressure release where the outlet is the surface of the earth is pretty much indistinguishable from a normal unplanned eruption. With, as a comment in the post suggested, a nice dose of nuclear fallout in the mix.